const puppeteer = require('puppeteer')

const url = `https://movie.douban.com/tag/#/?sort=R&range=6,10&tags=`

const sleep = time => new Promise(resolve=> {
    setTimeout(resolve, time);
})

;(async ()=> {
    console.log('Start visit the target page')

    const browser = await puppeteer.launch({
        args: ['--no-sandbox'],
        dumpio: false
    })

    const page = await browser.newPage()
    await page.goto(url, {
        waitUntil: 'networkidle2'
    })

    await sleep(2000)

    await page.waitForSelector('.more')

    for (let i = 0; i < 1; i++) {
        await sleep(2000)

        await page.click('.more')
    }

    const result = await page.evaluate(()=> {
        var $ = window.$
        var items = $('.list-wp a')
        var link = []

        if (items.length >= 1) {
            items.each((index, item)=> {
                let it = $(item)
                let doubanId = it.find('div').data('id')
                let title = it.find('.title').text()
                let rate = it.find('.rate').text()
                let poster = it.find('img').attr('src').replace('s_ratio', 'l_ratio')

                link.push({
                    doubanId,
                    title,
                    rate,
                    poster
                })
            })
        }

        return link
    })

    browser.close()

    process.send({result})
    process.exit(0)

})()